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Would a Full Frame body work with existing T lenses

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Hypothetically speaking, if there is a new camera with full frame body that accepts T lenses, why wouldn't the existing T lenses (say 23mm) won't work as full frame? 

 

Technically what does a lens have in order to accommodate the full frame body? I thought it was on the camera body rather the lens. I understand the autofocus and manual to be on the lens, but not sure about the FF.

 

 

 

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Hi Certen.

Welcome to the forum, it's a nice place.

For any lens to "work" on any format size, it must have sufficient "coverage area". That is the lens must produce an acceptable image over the entire film )or sensor) size, plus a little. And sensor size is obviously measured across the diagonal.

While many will say they won't, it would be interesting to see what this coverage is actually like with the T lenses, especially the 23mm.

Gary

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As it has been suggested on this forum, such a camera would switch to an APS crop automatically as soon as a small-coverage T lens is mounted. Not my idea of an ideal situation, though.

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Hi Gary,

thank you very much for the detailed answer. I was reading the forum for nearly a month now, and really enjoying it!

 

Thanks Jaap, let's hope that the coverage area is big enough for future (say next 10 years) to keep the lenses. 

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let's hope that the coverage area is big enough for future (say next 10 years) to keep the lenses.

It is big enough for APS-C.

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It's big enough for APS-C and I don't see why Leica would upgrade the T to full frame in a future model. Bigger (fullframe) is not always better, it really depends on your application. If you like macro photography a 4/3s camera is nice because you can get close with a large aperture, but retain a large/deep depth of field. Just to name a positive side effect of having a smaller than full frame sensor. 

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It's big enough for APS-C and I don't see why Leica would upgrade the T to full frame in a future model. Bigger (fullframe) is not always better, it really depends on your application. If you like macro photography a 4/3s camera is nice because you can get close with a large aperture, but retain a large/deep depth of field. Just to name a positive side effect of having a smaller than full frame sensor. 

 

The mount is certainly large enough.  Sony's E mount is smaller than Leica's T mount, and they offer both APS-C and full frame bodies and lenses, with the full frame bodies going into crop mode when APS-C lenses are fitted.

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The mount of the Leica S lenses is big enough for 6x6 doesn't mean they will release a 6x6 sensored camera though...

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